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Jonathan Nieder 8a4cf2e0f8 archive: Use an empty directory for submodules 
When encountering a submodule entry, "jgit archive" tries to write its
content verbatim as an entry to the archive, which fails with a
JGitInternalException wrapping a MissingObjectException because the
submodule repository commits are typically not part of the
superproject.

When a subproject is available (for example because it has been
checked out as a subdirectory of a superproject worktree), it would be
nice to recurse into it and make one archive recording the state of
the entire project.  Unfortunately sometimes the subproject is not
available or it can be hard to find (e.g., it can be on another
server).  Even when some subprojects are available, "jgit archive"
should not produce different output for the same tree depending on
which subprojects it has easy access to, so there is no obvious good
default behavior that recurses without relying on access to all
subprojects.

Instead, replace each submodule entry with a placeholder empty
directory.  "git archive" does the same.

Change-Id: I1295086037b77fc948b3f93c21d47341e25483e5
Signed-off-by: Jonathan Nieder <jrn@google.com>
 		2013-12-27 09:02:53 -08:00
org.eclipse.jgit archive: Use an empty directory for submodules 2013-12-27 09:02:53 -08:00
org.eclipse.jgit.ant Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00
org.eclipse.jgit.ant.test Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00
org.eclipse.jgit.archive archive: Include entries for directories 2013-12-27 08:55:39 -08:00
org.eclipse.jgit.console Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00
org.eclipse.jgit.http.server Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00
org.eclipse.jgit.http.test Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00
org.eclipse.jgit.java7 Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00
org.eclipse.jgit.java7.test Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00
org.eclipse.jgit.junit Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00
org.eclipse.jgit.junit.http Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00
org.eclipse.jgit.packaging Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00
org.eclipse.jgit.pgm archive: Prepend a specified prefix to all entry filenames 2013-12-17 11:22:46 -08:00
org.eclipse.jgit.pgm.test archive: Use an empty directory for submodules 2013-12-27 09:02:53 -08:00
org.eclipse.jgit.test Merge branch 'stable-3.2' 2013-12-13 12:55:59 +01:00
org.eclipse.jgit.ui Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00
tools Scripts to publish jgit artifacts on Maven central 2013-10-17 23:15:46 +02:00
.eclipse_iplog Update Eclipse IP log for 1.0 2011-05-25 20:14:35 +02:00
.gitattributes Initial JGit contribution to eclipse.org 2009-09-29 16:47:03 -07:00
.gitignore Ignore /target 2012-03-05 21:11:57 -08:00
LICENSE Clean up LICENSE file 2010-07-02 14:52:49 -07:00
README.md Implement recursive merge strategy 2013-02-22 23:51:50 +01:00
SUBMITTING_PATCHES Correcting explanation of EDL 2009-10-28 14:12:07 +01:00
pom.xml Prepare 3.3.0-SNAPSHOT builds 2013-12-05 22:42:47 +01:00

README.md

Java Git

An implementation of the Git version control system in pure Java.

This package is licensed under the EDL (Eclipse Distribution License).

  • org.eclipse.jgit

    A pure Java library capable of being run standalone, with no additional support libraries. It provides classes to read and write a Git repository and operate on a working directory.

    All portions of jgit are covered by the EDL. Absolutely no GPL, LGPL or EPL contributions are accepted within this package.

  • org.eclipse.jgit.ant

    Ant tasks based on JGit.

  • org.eclipse.jgit.http.server

    Server for the smart and dumb Git HTTP protocol.

  • org.eclipse.jgit.pgm

    Command-line interface Git commands implemented using JGit ("pgm" stands for program).

  • org.eclipse.jgit.test

    Unit tests for org.eclipse.jgit and the same licensing rules.

Warnings/Caveats

  • Symbolic links are not supported because java does not support it. Such links could be damaged.

  • Only the timestamp of the index is used by jgit check if the index is dirty.

  • Don't try the library with a JDK other than 1.6 (Java 6) unless you are prepared to investigate problems yourself. JDK 1.5.0_11 and later Java 5 versions may work. Earlier versions do not. JDK 1.4 is not supported. Apple's Java 1.5.0_07 is reported to work acceptably. We have no information about other vendors. Please report your findings if you try.

  • CRLF conversion is performed depending on the core.autocrlf setting, however Git for Windows by default stores that setting during installation in the "system wide" configuration file. If Git is not installed, use the global or repository configuration for the core.autocrlf setting.

  • The system wide configuration file is located relative to where C Git is installed. Make sure Git can be found via the PATH environment variable. When installing Git for Windows check the "Run Git from the Windows Command Prompt" option. There are other options like the jgit.gitprefix system propety or Eclipse settings that can be used for pointing out where C Git is installed. Modifying PATH is the recommended option if C Git is installed.

  • We try to use the same notation of $HOME as C Git does. On Windows this is often not same value as the user.home system property.

Package Features

  • org.eclipse.jgit/

    • Read loose and packed commits, trees, blobs, including deltafied objects.

    • Read objects from shared repositories

    • Write loose commits, trees, blobs.

    • Write blobs from local files or Java InputStreams.

    • Read blobs as Java InputStreams.

    • Copy trees to local directory, or local directory to a tree.

    • Lazily loads objects as necessary.

    • Read and write .git/config files.

    • Create a new repository.

    • Read and write refs, including walking through symrefs.

    • Read, update and write the Git index.

    • Checkout in dirty working directory if trivial.

    • Walk the history from a given set of commits looking for commits introducing changes in files under a specified path.

    • Object transport Fetch via ssh, git, http, Amazon S3 and bundles. Push via ssh, git and Amazon S3. JGit does not yet deltify the pushed packs so they may be a lot larger than C Git packs.

  • org.eclipse.jgit.pgm/

    • Assorted set of command line utilities. Mostly for ad-hoc testing of jgit log, glog, fetch etc.

Missing Features

There are some missing features:

  • gitattributes support

Support

Post question, comments or patches to the jgit-dev@eclipse.org mailing list. You need to be subscribed to post, see here:

https://dev.eclipse.org/mailman/listinfo/jgit-dev

Contributing

See the EGit Contributor Guide:

http://wiki.eclipse.org/EGit/Contributor_Guide

About Git

More information about Git, its repository format, and the canonical C based implementation can be obtained from the Git website:

http://git-scm.com/